S. Piper

Enhanced delayed hypersensitivity skin test reactivity with serial testing in healthy volunteers.

E. Keystone, R. Buchanan, L. Poplonski, 1980, Clinical and experimental immunology.

Steady-state plasma levels of salicylate in patients with rheumatoid arthritis: effects of dosing interval and tablet strength.

L. A. Wright, C. Goldsmith, E. Keystone, 1982, Canadian Medical Association journal.